It is found in human blood, saliva, and urine, with plasma levels declining from approximately 200 ng/mL at age 20 to 80 ng/mL by age 60
Anecdotally, many researchers working on specific, localized injuries prefer localized administration, believing it provides a more targeted and potent effect
For a full overview of DSIPs background and research insights, check out our main DSIP Nasal Spray page
Current understanding of BPC-157 therefore relies predominantly on preclinical research , and findings should be interpreted within that context
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